PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20.0300Lens,optical Instrument

J.j. Ross International Corporation Dba Rolyn Optics · NSN 6650-01-098-0288 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-098-0288 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-098-0288. Primary manufacturer part number: 20.0300.
Features
  • Lens,optical Instrument — FSC 6650
  • Individual Lens Style: DOUBLE CONVEX AND PLANO-CONCAVE
  • Material: GLASS
  • Compound Lens Style: DOUBLET
  • Equivalent Focal Length: 19.500 CENTIMETERS CM
  • Compound Lens Edge Thickness: 10.2 MILLIMETERS NOMINAL MM
  • Diameter: 66.0 MILLIMETERS NOMINAL MM
  • Compound Lens Overall Axial Thickness: 16.6 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Glass construction
General Description

The Lens,optical Instrument, cataloged under National Stock Number 6650-01-098-0288, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is J.j. Ross International Corporation Dba Rolyn Optics. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-098-0288
Primary Part Number20.0300
Item NameLens,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerJ.j. Ross International Corporation Dba Rolyn Optics
StatusACTIVE
Individual Lens StyleDOUBLE CONVEX AND PLANO-CONCAVE
MaterialGLASS
Compound Lens StyleDOUBLET
Equivalent Focal Length19.500 CENTIMETERS CM
Compound Lens Edge Thickness10.2 MILLIMETERS NOMINAL MM
Diameter66.0 MILLIMETERS NOMINAL MM
Compound Lens Overall Axial Thickness16.6 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6615-00-066-1826 INTERCHANGEABLE
Gyroscope,rate
5996-00-110-5193 INTERCHANGEABLE
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5360-01-113-016420C300 INTERCHANGEABLE
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1370-01-296-83958856664 INTERCHANGEABLE
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Ogden Air Logistics Center
6910-01-335-991820 03 00 INTERCHANGEABLE
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Laerdal Medical Corporation
2910-01-572-387920030O INTERCHANGEABLE
Cylinder,engine Starting
Kold-Ban International Ltd Div Kbi
5985-01-592-0551200300 INTERCHANGEABLE
Adapter,mast
Tim Price Inc. Dba Tim Price Inc
5995-01-593-4160200-300 INTERCHANGEABLE
Cable Assembly,spec
Mayflex Cables Inc
5935-01-615-5362900399 INTERCHANGEABLE
Cover,electrical Connector
Tim Price Inc. Dba Tim Price Inc
5895-01-678-0972RF-2150 INTERCHANGEABLE
Interface Unit,communication Equ
Persistent Systems Llc
Cross-Reference Index
Part NumberManufacturer
20.0300 J.j. Ross International Corporation Dba Rolyn Optics (USA)
Related Parts
6615-00-066-1826INTERCHANGEABLE
GYROSCOPE,RATE
5996-00-110-5193INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
5360-01-113-0164INTERCHANGEABLE
SPRING HOLD DOWN
20C300
1370-01-296-8395INTERCHANGEABLE
FLARE,AIRCRAFT
8856664
6910-01-335-9918INTERCHANGEABLE
SIMULATOR,PULSE
20 03 00
2910-01-572-3879INTERCHANGEABLE
CYLINDER,ENGINE STARTING
20030O
5985-01-592-0551INTERCHANGEABLE
ADAPTER,MAST
200300
5995-01-593-4160INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
200-300
5935-01-615-5362INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
900399
5895-01-678-0972INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
RF-2150

Frequently Asked Questions

What is NSN 6650-01-098-0288?

NSN 6650-01-098-0288 is a Lens,optical Instrument, manufactured by J.j. Ross International Corporation Dba Rolyn Optics, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-098-0288?

NSN 6650-01-098-0288 has 1 cross-referenced part number: 20.0300 (J.j. Ross International Corporation Dba Rolyn Optics).

What NSN replaces 6650-01-098-0288?

There are 10 known substitutes for 6650-01-098-0288: 6615-00-066-1826, 5996-00-110-5193, 5360-01-113-0164 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20.0300?

Key specifications for 20.0300: Individual Lens Style: DOUBLE CONVEX AND PLANO-CONCAVE; Material: GLASS; Compound Lens Style: DOUBLET; Equivalent Focal Length: 19.500 CENTIMETERS CM. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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